模块化双三相永磁电机绕组结构的电磁性能比较

IF 0.6 4区 材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of Magnetics Pub Date : 2022-06-30 DOI:10.4283/jmag.2022.27.2.147
Jangho Seo
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引用次数: 0

摘要

本文提出了一种新的模块化双三相永磁电机绕组结构,可以减少逆变器两绕组组之间的相互耦合和同一逆变器相间的干扰。采用重叠绕组技术的模块化双三相系统已广泛应用于风力发电等大型机械应用;但其缺点是转矩脉动大、端部绕组长、磁互干扰大。为了解决这些问题,一种新的模块化双三相绕组可以通过用不重叠的绕组替换同一相位线圈中的相邻冗余线圈来实现。为了清楚起见,我们选择了三个双三相电机来检查它们的差异。第一种是32极/96槽,采用传统的重叠模块化绕组(' conv1 ');第二种是32极/36槽,采用传统的不重叠绕组(' conv2 ');第三种是32极/36槽,采用建议的模块化绕组配置(' proposed ')。有限元仿真结果验证了该结构的有效性。
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Comparison of Electromagnetic Performance according to Winding Configuration for Modular Dual 3-Phase Permanent Magnet Machines
A new winding structure for modular dual 3-phase permanent magnet machine, which makes it possible to reduce mutual coupling between two-winding sets of inverters and interference between phases that belong to the same inverter has been proposed in this study. The modular dual 3-phase system with overlapping winding technique has been widely employed in large-scale machine applications such as wind power production; how-ever, its drawbacks include large torque ripple, long end-winding, and large magnetic mutual interference. To address these problems, a new modular dual 3-phase winding can be achieved by replacing adjacent redundant coils in one of the same phase coils with nonoverlapping winding. For clarity, three dual 3-phase machines are selected to examine their differences. The first is 32-poles/96-slots adopting a conventional overlapping modular winding ('Conv-1'), the second is 32-poles/36-slots based on the conventional nonoverlapping winding ('Conv-2'), and the other is 32-poles/36-slots adopting the proposed modular winding configuration ('Pro-posed'). The validity of the proposed structure is confirmed from simulation results obtained using finite element analysis.
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来源期刊
Journal of Magnetics
Journal of Magnetics MATERIALS SCIENCE, MULTIDISCIPLINARY-PHYSICS, APPLIED
CiteScore
1.00
自引率
20.00%
发文量
44
审稿时长
2.3 months
期刊介绍: The JOURNAL OF MAGNETICS provides a forum for the discussion of original papers covering the magnetic theory, magnetic materials and their properties, magnetic recording materials and technology, spin electronics, and measurements and applications. The journal covers research papers, review letters, and notes.
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